Rock Hill in December

6.4out of 10

Possible, with caveats

Cool: highs only around 13°C. Frequent rain: about 9 rainy days.

13°CAvg high
3°CAvg low
9Rainy days (96 mm)
9:40 hDaylight
07:30Sunrise · 17:10 Sunset

Why this score

  • Cool: highs only around 13°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • A warm jacket
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.2 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

12° 2° J 14° 3° F 18° 6° M 23° 11° A 27° 16° M 31° 20° J 32° 22° J 31° 21° A 28° 18° S 23° 12° O 17° 6° N 13° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 12°C2°C95 mm 9– – 6.0
February 14°C3°C86 mm 9– – 6.6
March 18°C6°C107 mm 10– – 7.0
April 23°C11°C89 mm 9– – 7.9
May 27°C16°C73 mm 10– – 7.8
June 31°C20°C96 mm 12– – 6.9
July 32°C22°C91 mm 14– – 6.3
August 31°C21°C103 mm 12– – 6.8
September 28°C18°C93 mm 9– – 7.8
October 23°C12°C83 mm 7– – 8.1
November 17°C6°C81 mm 7– – 7.4
December 13°C3°C96 mm 9– – 6.4

Frequently asked questions

How hot is Rock Hill in December?

Daytime highs average 13°C and nights about 3°C.

When is the best time to visit Rock Hill?

The best months are October, April, May, September.